Propargyl-PEG5-Br CAS 1287660-83-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1287660-83-6 |
| Molecular Formula | C13H23BrO5 |
| Molecular Weight | 339.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Propargyl-PEG5-Br (CAS 1287660-83-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C13H23BrO5. Molecular weight: 339.22 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C13H23BrO5 |
| Molecular Weight | 339.22 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
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Recommended Standards
- Trans-N,N'-Bis-(6-chloro-pyrimidin-4-yl)-cyclohexane-1,4-diamine (CAS 1261233-32-2)
- N1,N4-Bis(6-chloropyrimidin-4-yl)cyclohexane-1,4-diamine (CAS 1417794-24-1)
- 1020723-13-0 7577AC C16H16Cl2N2O2 N-(5-Amino-2-methylphenyl)-2-(2,4-dichlorophenoxy) propanamide (CAS 1020723-13-0)
- 2-(4-(Difluoromethyl)-2,6-dimethoxypyridin-3-yl)acetic acid (CAS 1804712-08-0)
- 2-[5-(oxan-4-yl)-1,3,4-oxadiazol-2-yl]piperidine hydrochloride (CAS 1803567-39-6)
- Folic Acid Impurity 13 (CAS CATO-C4X-139513)
- 1-Amino-5,6,7,8-tetrahydronaphthalene-2-carbonitrile (CAS 1209458-55-8)
- Sodium 2-methylpropane-1-sulfinate (CAS 39170-40-6)
- 3,6-Dibromo-9-(triphenylen-2-yl)carbazole (CAS 1351870-16-0)
- Peptide Impurity 34 (CAS 21282-09-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com